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Electric Circuits

Electric Circuits
Condition for reciprocity in case of ABCD parameters is

 AD-BC = 0.
 AD-BC = 1 .
  AB-CD = 0.
 AB-CD = 1.

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Electric Circuits
Disadvantages of constant k type filter

  both A and B.
  characteristic impedance unchanged in pass band.
  none of these.
  attenuation does not increase rapidly beyond cut off frequency.

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Electric Circuits
To reduce hysteresis loss, we use

 laminated sheets.
 soft-iron.
 copper bars.
 CRGO steel.

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Electric Circuits
A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t}

 11 W.
 21 W.
 1 W.
 24.5 W.

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Electric Circuits
In RLC series circuit, at resonance condition the value of current is

 Zero
None of these
 Minimum
 Maximum

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 0.
 infinite.
 indeterminate.
 1.

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MORE MCQ ON Electric Circuits

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